replace unused attributes
[dpdk.git] / drivers / net / dpaa2 / dpaa2_rxtx.c
index 25574c0..4159096 100644 (file)
-/*-
- *   BSD LICENSE
+/* SPDX-License-Identifier: BSD-3-Clause
  *
  *   Copyright (c) 2016 Freescale Semiconductor, Inc. All rights reserved.
- *   Copyright (c) 2016 NXP. All rights reserved.
+ *   Copyright 2016-2019 NXP
  *
- *   Redistribution and use in source and binary forms, with or without
- *   modification, are permitted provided that the following conditions
- *   are met:
- *
- *     * Redistributions of source code must retain the above copyright
- *       notice, this list of conditions and the following disclaimer.
- *     * Redistributions in binary form must reproduce the above copyright
- *       notice, this list of conditions and the following disclaimer in
- *       the documentation and/or other materials provided with the
- *       distribution.
- *     * Neither the name of Freescale Semiconductor, Inc nor the names of its
- *       contributors may be used to endorse or promote products derived
- *       from this software without specific prior written permission.
- *
- *   THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
- *   "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
- *   LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
- *   A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
- *   OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
- *   SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
- *   LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
- *   DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
- *   THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- *   (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
- *   OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 
 #include <time.h>
 #include <net/if.h>
 
 #include <rte_mbuf.h>
-#include <rte_ethdev.h>
+#include <rte_ethdev_driver.h>
 #include <rte_malloc.h>
 #include <rte_memcpy.h>
 #include <rte_string_fns.h>
 #include <rte_dev.h>
-#include <rte_ethdev.h>
 
-#include <fslmc_logs.h>
+#include <rte_fslmc.h>
 #include <fslmc_vfio.h>
 #include <dpaa2_hw_pvt.h>
 #include <dpaa2_hw_dpio.h>
 #include <dpaa2_hw_mempool.h>
 
+#include "dpaa2_pmd_logs.h"
 #include "dpaa2_ethdev.h"
+#include "base/dpaa2_hw_dpni_annot.h"
+
+static inline uint32_t __attribute__((hot))
+dpaa2_dev_rx_parse_slow(struct rte_mbuf *mbuf,
+                       struct dpaa2_annot_hdr *annotation);
+
+static void enable_tx_tstamp(struct qbman_fd *fd) __rte_unused;
+
+#define DPAA2_MBUF_TO_CONTIG_FD(_mbuf, _fd, _bpid)  do { \
+       DPAA2_SET_FD_ADDR(_fd, DPAA2_MBUF_VADDR_TO_IOVA(_mbuf)); \
+       DPAA2_SET_FD_LEN(_fd, _mbuf->data_len); \
+       DPAA2_SET_ONLY_FD_BPID(_fd, _bpid); \
+       DPAA2_SET_FD_OFFSET(_fd, _mbuf->data_off); \
+       DPAA2_SET_FD_FRC(_fd, 0);               \
+       DPAA2_RESET_FD_CTRL(_fd);               \
+       DPAA2_RESET_FD_FLC(_fd);                \
+} while (0)
+
+static inline void __attribute__((hot))
+dpaa2_dev_rx_parse_new(struct rte_mbuf *m, const struct qbman_fd *fd)
+{
+       struct dpaa2_annot_hdr *annotation;
+       uint16_t frc = DPAA2_GET_FD_FRC_PARSE_SUM(fd);
+
+       m->packet_type = RTE_PTYPE_UNKNOWN;
+       switch (frc) {
+       case DPAA2_PKT_TYPE_ETHER:
+               m->packet_type = RTE_PTYPE_L2_ETHER;
+               break;
+       case DPAA2_PKT_TYPE_IPV4:
+               m->packet_type = RTE_PTYPE_L2_ETHER |
+                       RTE_PTYPE_L3_IPV4;
+               break;
+       case DPAA2_PKT_TYPE_IPV6:
+               m->packet_type = RTE_PTYPE_L2_ETHER |
+                       RTE_PTYPE_L3_IPV6;
+               break;
+       case DPAA2_PKT_TYPE_IPV4_EXT:
+               m->packet_type = RTE_PTYPE_L2_ETHER |
+                       RTE_PTYPE_L3_IPV4_EXT;
+               break;
+       case DPAA2_PKT_TYPE_IPV6_EXT:
+               m->packet_type = RTE_PTYPE_L2_ETHER |
+                       RTE_PTYPE_L3_IPV6_EXT;
+               break;
+       case DPAA2_PKT_TYPE_IPV4_TCP:
+               m->packet_type = RTE_PTYPE_L2_ETHER |
+                       RTE_PTYPE_L3_IPV4 | RTE_PTYPE_L4_TCP;
+               break;
+       case DPAA2_PKT_TYPE_IPV6_TCP:
+               m->packet_type = RTE_PTYPE_L2_ETHER |
+                       RTE_PTYPE_L3_IPV6 | RTE_PTYPE_L4_TCP;
+               break;
+       case DPAA2_PKT_TYPE_IPV4_UDP:
+               m->packet_type = RTE_PTYPE_L2_ETHER |
+                       RTE_PTYPE_L3_IPV4 | RTE_PTYPE_L4_UDP;
+               break;
+       case DPAA2_PKT_TYPE_IPV6_UDP:
+               m->packet_type = RTE_PTYPE_L2_ETHER |
+                       RTE_PTYPE_L3_IPV6 | RTE_PTYPE_L4_UDP;
+               break;
+       case DPAA2_PKT_TYPE_IPV4_SCTP:
+               m->packet_type = RTE_PTYPE_L2_ETHER |
+                       RTE_PTYPE_L3_IPV4 | RTE_PTYPE_L4_SCTP;
+               break;
+       case DPAA2_PKT_TYPE_IPV6_SCTP:
+               m->packet_type = RTE_PTYPE_L2_ETHER |
+                       RTE_PTYPE_L3_IPV6 | RTE_PTYPE_L4_SCTP;
+               break;
+       case DPAA2_PKT_TYPE_IPV4_ICMP:
+               m->packet_type = RTE_PTYPE_L2_ETHER |
+                       RTE_PTYPE_L3_IPV4 | RTE_PTYPE_L4_ICMP;
+               break;
+       case DPAA2_PKT_TYPE_IPV6_ICMP:
+               m->packet_type = RTE_PTYPE_L2_ETHER |
+                       RTE_PTYPE_L3_IPV6 | RTE_PTYPE_L4_ICMP;
+               break;
+       default:
+               m->packet_type = dpaa2_dev_rx_parse_slow(m,
+                 (void *)((size_t)DPAA2_IOVA_TO_VADDR(DPAA2_GET_FD_ADDR(fd))
+                        + DPAA2_FD_PTA_SIZE));
+       }
+       m->hash.rss = fd->simple.flc_hi;
+       m->ol_flags |= PKT_RX_RSS_HASH;
+
+       if (dpaa2_enable_ts == PMD_DPAA2_ENABLE_TS) {
+               annotation = (struct dpaa2_annot_hdr *)
+                       ((size_t)DPAA2_IOVA_TO_VADDR(
+                       DPAA2_GET_FD_ADDR(fd)) + DPAA2_FD_PTA_SIZE);
+               m->timestamp = annotation->word2;
+               m->ol_flags |= PKT_RX_TIMESTAMP;
+               DPAA2_PMD_DP_DEBUG("pkt timestamp:0x%" PRIx64 "", m->timestamp);
+       }
+
+       DPAA2_PMD_DP_DEBUG("HW frc = 0x%x\t packet type =0x%x "
+               "ol_flags =0x%" PRIx64 "",
+               frc, m->packet_type, m->ol_flags);
+}
+
+static inline uint32_t __attribute__((hot))
+dpaa2_dev_rx_parse_slow(struct rte_mbuf *mbuf,
+                       struct dpaa2_annot_hdr *annotation)
+{
+       uint32_t pkt_type = RTE_PTYPE_UNKNOWN;
+       uint16_t *vlan_tci;
+
+       DPAA2_PMD_DP_DEBUG("(slow parse)annotation(3)=0x%" PRIx64 "\t"
+                       "(4)=0x%" PRIx64 "\t",
+                       annotation->word3, annotation->word4);
+
+#if defined(RTE_LIBRTE_IEEE1588)
+       if (BIT_ISSET_AT_POS(annotation->word1, DPAA2_ETH_FAS_PTP))
+               mbuf->ol_flags |= PKT_RX_IEEE1588_PTP;
+#endif
+
+       if (BIT_ISSET_AT_POS(annotation->word3, L2_VLAN_1_PRESENT)) {
+               vlan_tci = rte_pktmbuf_mtod_offset(mbuf, uint16_t *,
+                       (VLAN_TCI_OFFSET_1(annotation->word5) >> 16));
+               mbuf->vlan_tci = rte_be_to_cpu_16(*vlan_tci);
+               mbuf->ol_flags |= PKT_RX_VLAN;
+               pkt_type |= RTE_PTYPE_L2_ETHER_VLAN;
+       } else if (BIT_ISSET_AT_POS(annotation->word3, L2_VLAN_N_PRESENT)) {
+               vlan_tci = rte_pktmbuf_mtod_offset(mbuf, uint16_t *,
+                       (VLAN_TCI_OFFSET_1(annotation->word5) >> 16));
+               mbuf->vlan_tci = rte_be_to_cpu_16(*vlan_tci);
+               mbuf->ol_flags |= PKT_RX_VLAN | PKT_RX_QINQ;
+               pkt_type |= RTE_PTYPE_L2_ETHER_QINQ;
+       }
+
+       if (BIT_ISSET_AT_POS(annotation->word3, L2_ARP_PRESENT)) {
+               pkt_type |= RTE_PTYPE_L2_ETHER_ARP;
+               goto parse_done;
+       } else if (BIT_ISSET_AT_POS(annotation->word3, L2_ETH_MAC_PRESENT)) {
+               pkt_type |= RTE_PTYPE_L2_ETHER;
+       } else {
+               goto parse_done;
+       }
+
+       if (BIT_ISSET_AT_POS(annotation->word4, L3_IPV4_1_PRESENT |
+                            L3_IPV4_N_PRESENT)) {
+               pkt_type |= RTE_PTYPE_L3_IPV4;
+               if (BIT_ISSET_AT_POS(annotation->word4, L3_IP_1_OPT_PRESENT |
+                       L3_IP_N_OPT_PRESENT))
+                       pkt_type |= RTE_PTYPE_L3_IPV4_EXT;
+
+       } else if (BIT_ISSET_AT_POS(annotation->word4, L3_IPV6_1_PRESENT |
+                 L3_IPV6_N_PRESENT)) {
+               pkt_type |= RTE_PTYPE_L3_IPV6;
+               if (BIT_ISSET_AT_POS(annotation->word4, L3_IP_1_OPT_PRESENT |
+                   L3_IP_N_OPT_PRESENT))
+                       pkt_type |= RTE_PTYPE_L3_IPV6_EXT;
+       } else {
+               goto parse_done;
+       }
+
+       if (BIT_ISSET_AT_POS(annotation->word8, DPAA2_ETH_FAS_L3CE))
+               mbuf->ol_flags |= PKT_RX_IP_CKSUM_BAD;
+       else if (BIT_ISSET_AT_POS(annotation->word8, DPAA2_ETH_FAS_L4CE))
+               mbuf->ol_flags |= PKT_RX_L4_CKSUM_BAD;
+
+       if (BIT_ISSET_AT_POS(annotation->word4, L3_IP_1_FIRST_FRAGMENT |
+           L3_IP_1_MORE_FRAGMENT |
+           L3_IP_N_FIRST_FRAGMENT |
+           L3_IP_N_MORE_FRAGMENT)) {
+               pkt_type |= RTE_PTYPE_L4_FRAG;
+               goto parse_done;
+       } else {
+               pkt_type |= RTE_PTYPE_L4_NONFRAG;
+       }
+
+       if (BIT_ISSET_AT_POS(annotation->word4, L3_PROTO_UDP_PRESENT))
+               pkt_type |= RTE_PTYPE_L4_UDP;
+
+       else if (BIT_ISSET_AT_POS(annotation->word4, L3_PROTO_TCP_PRESENT))
+               pkt_type |= RTE_PTYPE_L4_TCP;
+
+       else if (BIT_ISSET_AT_POS(annotation->word4, L3_PROTO_SCTP_PRESENT))
+               pkt_type |= RTE_PTYPE_L4_SCTP;
+
+       else if (BIT_ISSET_AT_POS(annotation->word4, L3_PROTO_ICMP_PRESENT))
+               pkt_type |= RTE_PTYPE_L4_ICMP;
+
+       else if (BIT_ISSET_AT_POS(annotation->word4, L3_IP_UNKNOWN_PROTOCOL))
+               pkt_type |= RTE_PTYPE_UNKNOWN;
+
+parse_done:
+       return pkt_type;
+}
+
+static inline uint32_t __attribute__((hot))
+dpaa2_dev_rx_parse(struct rte_mbuf *mbuf, void *hw_annot_addr)
+{
+       struct dpaa2_annot_hdr *annotation =
+                       (struct dpaa2_annot_hdr *)hw_annot_addr;
+
+       DPAA2_PMD_DP_DEBUG("(fast parse) Annotation = 0x%" PRIx64 "\t",
+                          annotation->word4);
+
+       if (BIT_ISSET_AT_POS(annotation->word8, DPAA2_ETH_FAS_L3CE))
+               mbuf->ol_flags |= PKT_RX_IP_CKSUM_BAD;
+       else if (BIT_ISSET_AT_POS(annotation->word8, DPAA2_ETH_FAS_L4CE))
+               mbuf->ol_flags |= PKT_RX_L4_CKSUM_BAD;
+
+       mbuf->ol_flags |= PKT_RX_TIMESTAMP;
+       mbuf->timestamp = annotation->word2;
+       DPAA2_PMD_DP_DEBUG("pkt timestamp: 0x%" PRIx64 "", mbuf->timestamp);
+
+       /* Check detailed parsing requirement */
+       if (annotation->word3 & 0x7FFFFC3FFFF)
+               return dpaa2_dev_rx_parse_slow(mbuf, annotation);
+
+       /* Return some common types from parse processing */
+       switch (annotation->word4) {
+       case DPAA2_L3_IPv4:
+               return RTE_PTYPE_L2_ETHER | RTE_PTYPE_L3_IPV4;
+       case DPAA2_L3_IPv6:
+               return  RTE_PTYPE_L2_ETHER | RTE_PTYPE_L3_IPV6;
+       case DPAA2_L3_IPv4_TCP:
+               return  RTE_PTYPE_L2_ETHER | RTE_PTYPE_L3_IPV4 |
+                               RTE_PTYPE_L4_TCP;
+       case DPAA2_L3_IPv4_UDP:
+               return  RTE_PTYPE_L2_ETHER | RTE_PTYPE_L3_IPV4 |
+                               RTE_PTYPE_L4_UDP;
+       case DPAA2_L3_IPv6_TCP:
+               return  RTE_PTYPE_L2_ETHER | RTE_PTYPE_L3_IPV6 |
+                               RTE_PTYPE_L4_TCP;
+       case DPAA2_L3_IPv6_UDP:
+               return  RTE_PTYPE_L2_ETHER | RTE_PTYPE_L3_IPV6 |
+                               RTE_PTYPE_L4_UDP;
+       default:
+               break;
+       }
+
+       return dpaa2_dev_rx_parse_slow(mbuf, annotation);
+}
+
+static inline struct rte_mbuf *__attribute__((hot))
+eth_sg_fd_to_mbuf(const struct qbman_fd *fd,
+                 int port_id)
+{
+       struct qbman_sge *sgt, *sge;
+       size_t sg_addr, fd_addr;
+       int i = 0;
+       struct rte_mbuf *first_seg, *next_seg, *cur_seg, *temp;
+
+       fd_addr = (size_t)DPAA2_IOVA_TO_VADDR(DPAA2_GET_FD_ADDR(fd));
+
+       /* Get Scatter gather table address */
+       sgt = (struct qbman_sge *)(fd_addr + DPAA2_GET_FD_OFFSET(fd));
+
+       sge = &sgt[i++];
+       sg_addr = (size_t)DPAA2_IOVA_TO_VADDR(DPAA2_GET_FLE_ADDR(sge));
+
+       /* First Scatter gather entry */
+       first_seg = DPAA2_INLINE_MBUF_FROM_BUF(sg_addr,
+               rte_dpaa2_bpid_info[DPAA2_GET_FD_BPID(fd)].meta_data_size);
+       /* Prepare all the metadata for first segment */
+       first_seg->buf_addr = (uint8_t *)sg_addr;
+       first_seg->ol_flags = 0;
+       first_seg->data_off = DPAA2_GET_FLE_OFFSET(sge);
+       first_seg->data_len = sge->length  & 0x1FFFF;
+       first_seg->pkt_len = DPAA2_GET_FD_LEN(fd);
+       first_seg->nb_segs = 1;
+       first_seg->next = NULL;
+       first_seg->port = port_id;
+       if (dpaa2_svr_family == SVR_LX2160A)
+               dpaa2_dev_rx_parse_new(first_seg, fd);
+       else
+               first_seg->packet_type = dpaa2_dev_rx_parse(first_seg,
+                       (void *)((size_t)DPAA2_IOVA_TO_VADDR(DPAA2_GET_FD_ADDR(fd))
+                        + DPAA2_FD_PTA_SIZE));
+
+       rte_mbuf_refcnt_set(first_seg, 1);
+       cur_seg = first_seg;
+       while (!DPAA2_SG_IS_FINAL(sge)) {
+               sge = &sgt[i++];
+               sg_addr = (size_t)DPAA2_IOVA_TO_VADDR(
+                               DPAA2_GET_FLE_ADDR(sge));
+               next_seg = DPAA2_INLINE_MBUF_FROM_BUF(sg_addr,
+                       rte_dpaa2_bpid_info[DPAA2_GET_FLE_BPID(sge)].meta_data_size);
+               next_seg->buf_addr  = (uint8_t *)sg_addr;
+               next_seg->data_off  = DPAA2_GET_FLE_OFFSET(sge);
+               next_seg->data_len  = sge->length  & 0x1FFFF;
+               first_seg->nb_segs += 1;
+               rte_mbuf_refcnt_set(next_seg, 1);
+               cur_seg->next = next_seg;
+               next_seg->next = NULL;
+               cur_seg = next_seg;
+       }
+       temp = DPAA2_INLINE_MBUF_FROM_BUF(fd_addr,
+               rte_dpaa2_bpid_info[DPAA2_GET_FD_BPID(fd)].meta_data_size);
+       rte_mbuf_refcnt_set(temp, 1);
+       rte_pktmbuf_free_seg(temp);
+
+       return (void *)first_seg;
+}
 
 static inline struct rte_mbuf *__attribute__((hot))
-eth_fd_to_mbuf(const struct qbman_fd *fd)
+eth_fd_to_mbuf(const struct qbman_fd *fd,
+              int port_id)
 {
        struct rte_mbuf *mbuf = DPAA2_INLINE_MBUF_FROM_BUF(
-                       DPAA2_GET_FD_ADDR(fd),
+               DPAA2_IOVA_TO_VADDR(DPAA2_GET_FD_ADDR(fd)),
                     rte_dpaa2_bpid_info[DPAA2_GET_FD_BPID(fd)].meta_data_size);
 
        /* need to repopulated some of the fields,
@@ -65,14 +336,25 @@ eth_fd_to_mbuf(const struct qbman_fd *fd)
        mbuf->data_off = DPAA2_GET_FD_OFFSET(fd);
        mbuf->data_len = DPAA2_GET_FD_LEN(fd);
        mbuf->pkt_len = mbuf->data_len;
-
-       mbuf->packet_type = RTE_PTYPE_L2_ETHER | RTE_PTYPE_L3_IPV4;
-
+       mbuf->port = port_id;
        mbuf->next = NULL;
        rte_mbuf_refcnt_set(mbuf, 1);
 
-       PMD_RX_LOG(DEBUG, "to mbuf - mbuf =%p, mbuf->buf_addr =%p, off = %d,"
-               "fd_off=%d fd =%lx, meta = %d  bpid =%d, len=%d\n",
+       /* Parse the packet */
+       /* parse results for LX2 are there in FRC field of FD.
+        * For other DPAA2 platforms , parse results are after
+        * the private - sw annotation area
+        */
+
+       if (dpaa2_svr_family == SVR_LX2160A)
+               dpaa2_dev_rx_parse_new(mbuf, fd);
+       else
+               mbuf->packet_type = dpaa2_dev_rx_parse(mbuf,
+                       (void *)((size_t)DPAA2_IOVA_TO_VADDR(DPAA2_GET_FD_ADDR(fd))
+                        + DPAA2_FD_PTA_SIZE));
+
+       DPAA2_PMD_DP_DEBUG("to mbuf - mbuf =%p, mbuf->buf_addr =%p, off = %d,"
+               "fd_off=%d fd =%" PRIx64 ", meta = %d  bpid =%d, len=%d\n",
                mbuf, mbuf->buf_addr, mbuf->data_off,
                DPAA2_GET_FD_OFFSET(fd), DPAA2_GET_FD_ADDR(fd),
                rte_dpaa2_bpid_info[DPAA2_GET_FD_BPID(fd)].meta_data_size,
@@ -81,120 +363,629 @@ eth_fd_to_mbuf(const struct qbman_fd *fd)
        return mbuf;
 }
 
-static void __attribute__ ((noinline)) __attribute__((hot))
+static int __rte_noinline __attribute__((hot))
+eth_mbuf_to_sg_fd(struct rte_mbuf *mbuf,
+                 struct qbman_fd *fd, uint16_t bpid)
+{
+       struct rte_mbuf *cur_seg = mbuf, *prev_seg, *mi, *temp;
+       struct qbman_sge *sgt, *sge = NULL;
+       int i;
+
+       temp = rte_pktmbuf_alloc(mbuf->pool);
+       if (temp == NULL) {
+               DPAA2_PMD_DP_DEBUG("No memory to allocate S/G table\n");
+               return -ENOMEM;
+       }
+
+       DPAA2_SET_FD_ADDR(fd, DPAA2_MBUF_VADDR_TO_IOVA(temp));
+       DPAA2_SET_FD_LEN(fd, mbuf->pkt_len);
+       DPAA2_SET_ONLY_FD_BPID(fd, bpid);
+       DPAA2_SET_FD_OFFSET(fd, temp->data_off);
+       DPAA2_FD_SET_FORMAT(fd, qbman_fd_sg);
+       DPAA2_RESET_FD_FRC(fd);
+       DPAA2_RESET_FD_CTRL(fd);
+       /*Set Scatter gather table and Scatter gather entries*/
+       sgt = (struct qbman_sge *)(
+                       (size_t)DPAA2_IOVA_TO_VADDR(DPAA2_GET_FD_ADDR(fd))
+                       + DPAA2_GET_FD_OFFSET(fd));
+
+       for (i = 0; i < mbuf->nb_segs; i++) {
+               sge = &sgt[i];
+               /*Resetting the buffer pool id and offset field*/
+               sge->fin_bpid_offset = 0;
+               DPAA2_SET_FLE_ADDR(sge, DPAA2_MBUF_VADDR_TO_IOVA(cur_seg));
+               DPAA2_SET_FLE_OFFSET(sge, cur_seg->data_off);
+               sge->length = cur_seg->data_len;
+               if (RTE_MBUF_DIRECT(cur_seg)) {
+                       if (rte_mbuf_refcnt_read(cur_seg) > 1) {
+                               /* If refcnt > 1, invalid bpid is set to ensure
+                                * buffer is not freed by HW
+                                */
+                               DPAA2_SET_FLE_IVP(sge);
+                               rte_mbuf_refcnt_update(cur_seg, -1);
+                       } else
+                               DPAA2_SET_FLE_BPID(sge,
+                                               mempool_to_bpid(cur_seg->pool));
+                       cur_seg = cur_seg->next;
+               } else {
+                       /* Get owner MBUF from indirect buffer */
+                       mi = rte_mbuf_from_indirect(cur_seg);
+                       if (rte_mbuf_refcnt_read(mi) > 1) {
+                               /* If refcnt > 1, invalid bpid is set to ensure
+                                * owner buffer is not freed by HW
+                                */
+                               DPAA2_SET_FLE_IVP(sge);
+                       } else {
+                               DPAA2_SET_FLE_BPID(sge,
+                                                  mempool_to_bpid(mi->pool));
+                               rte_mbuf_refcnt_update(mi, 1);
+                       }
+                       prev_seg = cur_seg;
+                       cur_seg = cur_seg->next;
+                       prev_seg->next = NULL;
+                       rte_pktmbuf_free(prev_seg);
+               }
+       }
+       DPAA2_SG_SET_FINAL(sge, true);
+       return 0;
+}
+
+static void
+eth_mbuf_to_fd(struct rte_mbuf *mbuf,
+              struct qbman_fd *fd, uint16_t bpid) __rte_unused;
+
+static void __rte_noinline __attribute__((hot))
 eth_mbuf_to_fd(struct rte_mbuf *mbuf,
               struct qbman_fd *fd, uint16_t bpid)
 {
-       /*Resetting the buffer pool id and offset field*/
-       fd->simple.bpid_offset = 0;
-
-       DPAA2_SET_FD_ADDR(fd, (mbuf->buf_addr));
-       DPAA2_SET_FD_LEN(fd, mbuf->data_len);
-       DPAA2_SET_FD_BPID(fd, bpid);
-       DPAA2_SET_FD_OFFSET(fd, mbuf->data_off);
-       DPAA2_SET_FD_ASAL(fd, DPAA2_ASAL_VAL);
+       DPAA2_MBUF_TO_CONTIG_FD(mbuf, fd, bpid);
 
-       PMD_TX_LOG(DEBUG, "mbuf =%p, mbuf->buf_addr =%p, off = %d,"
-               "fd_off=%d fd =%lx, meta = %d  bpid =%d, len=%d\n",
+       DPAA2_PMD_DP_DEBUG("mbuf =%p, mbuf->buf_addr =%p, off = %d,"
+               "fd_off=%d fd =%" PRIx64 ", meta = %d  bpid =%d, len=%d\n",
                mbuf, mbuf->buf_addr, mbuf->data_off,
                DPAA2_GET_FD_OFFSET(fd), DPAA2_GET_FD_ADDR(fd),
                rte_dpaa2_bpid_info[DPAA2_GET_FD_BPID(fd)].meta_data_size,
                DPAA2_GET_FD_BPID(fd), DPAA2_GET_FD_LEN(fd));
+       if (RTE_MBUF_DIRECT(mbuf)) {
+               if (rte_mbuf_refcnt_read(mbuf) > 1) {
+                       DPAA2_SET_FD_IVP(fd);
+                       rte_mbuf_refcnt_update(mbuf, -1);
+               }
+       } else {
+               struct rte_mbuf *mi;
+
+               mi = rte_mbuf_from_indirect(mbuf);
+               if (rte_mbuf_refcnt_read(mi) > 1)
+                       DPAA2_SET_FD_IVP(fd);
+               else
+                       rte_mbuf_refcnt_update(mi, 1);
+               rte_pktmbuf_free(mbuf);
+       }
 }
 
+static inline int __attribute__((hot))
+eth_copy_mbuf_to_fd(struct rte_mbuf *mbuf,
+                   struct qbman_fd *fd, uint16_t bpid)
+{
+       struct rte_mbuf *m;
+       void *mb = NULL;
+
+       if (rte_dpaa2_mbuf_alloc_bulk(
+               rte_dpaa2_bpid_info[bpid].bp_list->mp, &mb, 1)) {
+               DPAA2_PMD_DP_DEBUG("Unable to allocated DPAA2 buffer\n");
+               return -1;
+       }
+       m = (struct rte_mbuf *)mb;
+       memcpy((char *)m->buf_addr + mbuf->data_off,
+              (void *)((char *)mbuf->buf_addr + mbuf->data_off),
+               mbuf->pkt_len);
+
+       /* Copy required fields */
+       m->data_off = mbuf->data_off;
+       m->ol_flags = mbuf->ol_flags;
+       m->packet_type = mbuf->packet_type;
+       m->tx_offload = mbuf->tx_offload;
+
+       DPAA2_MBUF_TO_CONTIG_FD(m, fd, bpid);
+
+       DPAA2_PMD_DP_DEBUG(
+               "mbuf: %p, BMAN buf addr: %p, fdaddr: %" PRIx64 ", bpid: %d,"
+               " meta: %d, off: %d, len: %d\n",
+               (void *)mbuf,
+               mbuf->buf_addr,
+               DPAA2_GET_FD_ADDR(fd),
+               DPAA2_GET_FD_BPID(fd),
+               rte_dpaa2_bpid_info[DPAA2_GET_FD_BPID(fd)].meta_data_size,
+               DPAA2_GET_FD_OFFSET(fd),
+               DPAA2_GET_FD_LEN(fd));
+
+return 0;
+}
+
+/* This function assumes that caller will be keep the same value for nb_pkts
+ * across calls per queue, if that is not the case, better use non-prefetch
+ * version of rx call.
+ * It will return the packets as requested in previous call without honoring
+ * the current nb_pkts or bufs space.
+ */
 uint16_t
-dpaa2_dev_rx(void *queue, struct rte_mbuf **bufs, uint16_t nb_pkts)
+dpaa2_dev_prefetch_rx(void *queue, struct rte_mbuf **bufs, uint16_t nb_pkts)
 {
-       /* Function is responsible to receive frames for a given device and VQ*/
+       /* Function receive frames for a given device and VQ*/
        struct dpaa2_queue *dpaa2_q = (struct dpaa2_queue *)queue;
-       struct qbman_result *dq_storage;
+       struct qbman_result *dq_storage, *dq_storage1 = NULL;
        uint32_t fqid = dpaa2_q->fqid;
-       int ret, num_rx = 0;
-       uint8_t is_last = 0, status;
+       int ret, num_rx = 0, pull_size;
+       uint8_t pending, status;
        struct qbman_swp *swp;
-       const struct qbman_fd *fd;
+       const struct qbman_fd *fd, *next_fd;
        struct qbman_pull_desc pulldesc;
-       struct rte_eth_dev *dev = dpaa2_q->dev;
+       struct queue_storage_info_t *q_storage = dpaa2_q->q_storage;
+       struct rte_eth_dev_data *eth_data = dpaa2_q->eth_data;
+#if defined(RTE_LIBRTE_IEEE1588)
+       struct dpaa2_dev_priv *priv = eth_data->dev_private;
+#endif
 
-       if (unlikely(!DPAA2_PER_LCORE_DPIO)) {
-               ret = dpaa2_affine_qbman_swp();
+       if (unlikely(!DPAA2_PER_LCORE_ETHRX_DPIO)) {
+               ret = dpaa2_affine_qbman_ethrx_swp();
                if (ret) {
-                       RTE_LOG(ERR, PMD, "Failure in affining portal\n");
+                       DPAA2_PMD_ERR("Failure in affining portal");
                        return 0;
                }
        }
-       swp = DPAA2_PER_LCORE_PORTAL;
-       dq_storage = dpaa2_q->q_storage->dq_storage[0];
 
-       qbman_pull_desc_clear(&pulldesc);
-       qbman_pull_desc_set_numframes(&pulldesc,
-                                     (nb_pkts > DPAA2_DQRR_RING_SIZE) ?
-                                      DPAA2_DQRR_RING_SIZE : nb_pkts);
-       qbman_pull_desc_set_fq(&pulldesc, fqid);
-       /* todo optimization - we can have dq_storage_phys available*/
-       qbman_pull_desc_set_storage(&pulldesc, dq_storage,
-                       (dma_addr_t)(dq_storage), 1);
+       if (unlikely(!rte_dpaa2_bpid_info &&
+                    rte_eal_process_type() == RTE_PROC_SECONDARY))
+               rte_dpaa2_bpid_info = dpaa2_q->bp_array;
 
-       /*Issue a volatile dequeue command. */
-       while (1) {
-               if (qbman_swp_pull(swp, &pulldesc)) {
-                       PMD_RX_LOG(ERR, "VDQ command is not issued."
-                                  "QBMAN is busy\n");
-                       /* Portal was busy, try again */
-                       continue;
+       swp = DPAA2_PER_LCORE_ETHRX_PORTAL;
+       pull_size = (nb_pkts > dpaa2_dqrr_size) ? dpaa2_dqrr_size : nb_pkts;
+       if (unlikely(!q_storage->active_dqs)) {
+               q_storage->toggle = 0;
+               dq_storage = q_storage->dq_storage[q_storage->toggle];
+               q_storage->last_num_pkts = pull_size;
+               qbman_pull_desc_clear(&pulldesc);
+               qbman_pull_desc_set_numframes(&pulldesc,
+                                             q_storage->last_num_pkts);
+               qbman_pull_desc_set_fq(&pulldesc, fqid);
+               qbman_pull_desc_set_storage(&pulldesc, dq_storage,
+                       (uint64_t)(DPAA2_VADDR_TO_IOVA(dq_storage)), 1);
+               if (check_swp_active_dqs(DPAA2_PER_LCORE_ETHRX_DPIO->index)) {
+                       while (!qbman_check_command_complete(
+                              get_swp_active_dqs(
+                              DPAA2_PER_LCORE_ETHRX_DPIO->index)))
+                               ;
+                       clear_swp_active_dqs(DPAA2_PER_LCORE_ETHRX_DPIO->index);
                }
-               break;
-       };
+               while (1) {
+                       if (qbman_swp_pull(swp, &pulldesc)) {
+                               DPAA2_PMD_DP_DEBUG("VDQ command is not issued."
+                                                 " QBMAN is busy (1)\n");
+                               /* Portal was busy, try again */
+                               continue;
+                       }
+                       break;
+               }
+               q_storage->active_dqs = dq_storage;
+               q_storage->active_dpio_id = DPAA2_PER_LCORE_ETHRX_DPIO->index;
+               set_swp_active_dqs(DPAA2_PER_LCORE_ETHRX_DPIO->index,
+                                  dq_storage);
+       }
 
-       /* Receive the packets till Last Dequeue entry is found with
-        * respect to the above issues PULL command.
+       dq_storage = q_storage->active_dqs;
+       rte_prefetch0((void *)(size_t)(dq_storage));
+       rte_prefetch0((void *)(size_t)(dq_storage + 1));
+
+       /* Prepare next pull descriptor. This will give space for the
+        * prefething done on DQRR entries
         */
-       while (!is_last) {
-               struct rte_mbuf *mbuf;
-               /*Check if the previous issued command is completed.
-                * Also seems like the SWP is shared between the
-                * Ethernet Driver and the SEC driver.
-                */
-               while (!qbman_check_command_complete(swp, dq_storage))
-                       ;
+       q_storage->toggle ^= 1;
+       dq_storage1 = q_storage->dq_storage[q_storage->toggle];
+       qbman_pull_desc_clear(&pulldesc);
+       qbman_pull_desc_set_numframes(&pulldesc, pull_size);
+       qbman_pull_desc_set_fq(&pulldesc, fqid);
+       qbman_pull_desc_set_storage(&pulldesc, dq_storage1,
+               (uint64_t)(DPAA2_VADDR_TO_IOVA(dq_storage1)), 1);
+
+       /* Check if the previous issued command is completed.
+        * Also seems like the SWP is shared between the Ethernet Driver
+        * and the SEC driver.
+        */
+       while (!qbman_check_command_complete(dq_storage))
+               ;
+       if (dq_storage == get_swp_active_dqs(q_storage->active_dpio_id))
+               clear_swp_active_dqs(q_storage->active_dpio_id);
+
+       pending = 1;
+
+       do {
                /* Loop until the dq_storage is updated with
                 * new token by QBMAN
                 */
-               while (!qbman_result_has_new_result(swp, dq_storage))
+               while (!qbman_check_new_result(dq_storage))
                        ;
+               rte_prefetch0((void *)((size_t)(dq_storage + 2)));
                /* Check whether Last Pull command is Expired and
                 * setting Condition for Loop termination
                 */
                if (qbman_result_DQ_is_pull_complete(dq_storage)) {
-                       is_last = 1;
+                       pending = 0;
                        /* Check for valid frame. */
-                       status = (uint8_t)qbman_result_DQ_flags(dq_storage);
+                       status = qbman_result_DQ_flags(dq_storage);
                        if (unlikely((status & QBMAN_DQ_STAT_VALIDFRAME) == 0))
                                continue;
                }
-
                fd = qbman_result_DQ_fd(dq_storage);
-               mbuf = (struct rte_mbuf *)(DPAA2_GET_FD_ADDR(fd)
-                  - rte_dpaa2_bpid_info[DPAA2_GET_FD_BPID(fd)].meta_data_size);
-               /* Prefeth mbuf */
-               rte_prefetch0(mbuf);
-               /* Prefetch Annotation address for the parse results */
-               rte_prefetch0((void *)((uint64_t)DPAA2_GET_FD_ADDR(fd)
-                                               + DPAA2_FD_PTA_SIZE + 16));
 
-               bufs[num_rx] = eth_fd_to_mbuf(fd);
-               bufs[num_rx]->port = dev->data->port_id;
+               if (dpaa2_svr_family != SVR_LX2160A) {
+                       next_fd = qbman_result_DQ_fd(dq_storage + 1);
+                       /* Prefetch Annotation address for the parse results */
+                       rte_prefetch0((void *)(size_t)(DPAA2_GET_FD_ADDR(
+                                     next_fd) + DPAA2_FD_PTA_SIZE + 16));
+               }
+
+               if (unlikely(DPAA2_FD_GET_FORMAT(fd) == qbman_fd_sg))
+                       bufs[num_rx] = eth_sg_fd_to_mbuf(fd, eth_data->port_id);
+               else
+                       bufs[num_rx] = eth_fd_to_mbuf(fd, eth_data->port_id);
+#if defined(RTE_LIBRTE_IEEE1588)
+               priv->rx_timestamp = bufs[num_rx]->timestamp;
+#endif
+
+               if (eth_data->dev_conf.rxmode.offloads &
+                               DEV_RX_OFFLOAD_VLAN_STRIP)
+                       rte_vlan_strip(bufs[num_rx]);
 
-               num_rx++;
                dq_storage++;
-       } /* End of Packet Rx loop */
+               num_rx++;
+       } while (pending);
+
+       if (check_swp_active_dqs(DPAA2_PER_LCORE_ETHRX_DPIO->index)) {
+               while (!qbman_check_command_complete(
+                      get_swp_active_dqs(DPAA2_PER_LCORE_ETHRX_DPIO->index)))
+                       ;
+               clear_swp_active_dqs(DPAA2_PER_LCORE_ETHRX_DPIO->index);
+       }
+       /* issue a volatile dequeue command for next pull */
+       while (1) {
+               if (qbman_swp_pull(swp, &pulldesc)) {
+                       DPAA2_PMD_DP_DEBUG("VDQ command is not issued."
+                                         "QBMAN is busy (2)\n");
+                       continue;
+               }
+               break;
+       }
+       q_storage->active_dqs = dq_storage1;
+       q_storage->active_dpio_id = DPAA2_PER_LCORE_ETHRX_DPIO->index;
+       set_swp_active_dqs(DPAA2_PER_LCORE_ETHRX_DPIO->index, dq_storage1);
 
        dpaa2_q->rx_pkts += num_rx;
 
-       /*Return the total number of packets received to DPAA2 app*/
        return num_rx;
 }
 
+void __attribute__((hot))
+dpaa2_dev_process_parallel_event(struct qbman_swp *swp,
+                                const struct qbman_fd *fd,
+                                const struct qbman_result *dq,
+                                struct dpaa2_queue *rxq,
+                                struct rte_event *ev)
+{
+       rte_prefetch0((void *)(size_t)(DPAA2_GET_FD_ADDR(fd) +
+               DPAA2_FD_PTA_SIZE + 16));
+
+       ev->flow_id = rxq->ev.flow_id;
+       ev->sub_event_type = rxq->ev.sub_event_type;
+       ev->event_type = RTE_EVENT_TYPE_ETHDEV;
+       ev->op = RTE_EVENT_OP_NEW;
+       ev->sched_type = rxq->ev.sched_type;
+       ev->queue_id = rxq->ev.queue_id;
+       ev->priority = rxq->ev.priority;
+
+       ev->mbuf = eth_fd_to_mbuf(fd, rxq->eth_data->port_id);
+
+       qbman_swp_dqrr_consume(swp, dq);
+}
+
+void __attribute__((hot))
+dpaa2_dev_process_atomic_event(struct qbman_swp *swp __rte_unused,
+                              const struct qbman_fd *fd,
+                              const struct qbman_result *dq,
+                              struct dpaa2_queue *rxq,
+                              struct rte_event *ev)
+{
+       uint8_t dqrr_index;
+
+       rte_prefetch0((void *)(size_t)(DPAA2_GET_FD_ADDR(fd) +
+               DPAA2_FD_PTA_SIZE + 16));
+
+       ev->flow_id = rxq->ev.flow_id;
+       ev->sub_event_type = rxq->ev.sub_event_type;
+       ev->event_type = RTE_EVENT_TYPE_ETHDEV;
+       ev->op = RTE_EVENT_OP_NEW;
+       ev->sched_type = rxq->ev.sched_type;
+       ev->queue_id = rxq->ev.queue_id;
+       ev->priority = rxq->ev.priority;
+
+       ev->mbuf = eth_fd_to_mbuf(fd, rxq->eth_data->port_id);
+
+       dqrr_index = qbman_get_dqrr_idx(dq);
+       ev->mbuf->seqn = dqrr_index + 1;
+       DPAA2_PER_LCORE_DQRR_SIZE++;
+       DPAA2_PER_LCORE_DQRR_HELD |= 1 << dqrr_index;
+       DPAA2_PER_LCORE_DQRR_MBUF(dqrr_index) = ev->mbuf;
+}
+
+void __attribute__((hot))
+dpaa2_dev_process_ordered_event(struct qbman_swp *swp,
+                               const struct qbman_fd *fd,
+                               const struct qbman_result *dq,
+                               struct dpaa2_queue *rxq,
+                               struct rte_event *ev)
+{
+       rte_prefetch0((void *)(size_t)(DPAA2_GET_FD_ADDR(fd) +
+               DPAA2_FD_PTA_SIZE + 16));
+
+       ev->flow_id = rxq->ev.flow_id;
+       ev->sub_event_type = rxq->ev.sub_event_type;
+       ev->event_type = RTE_EVENT_TYPE_ETHDEV;
+       ev->op = RTE_EVENT_OP_NEW;
+       ev->sched_type = rxq->ev.sched_type;
+       ev->queue_id = rxq->ev.queue_id;
+       ev->priority = rxq->ev.priority;
+
+       ev->mbuf = eth_fd_to_mbuf(fd, rxq->eth_data->port_id);
+
+       ev->mbuf->seqn = DPAA2_ENQUEUE_FLAG_ORP;
+       ev->mbuf->seqn |= qbman_result_DQ_odpid(dq) << DPAA2_EQCR_OPRID_SHIFT;
+       ev->mbuf->seqn |= qbman_result_DQ_seqnum(dq) << DPAA2_EQCR_SEQNUM_SHIFT;
+
+       qbman_swp_dqrr_consume(swp, dq);
+}
+
+uint16_t
+dpaa2_dev_rx(void *queue, struct rte_mbuf **bufs, uint16_t nb_pkts)
+{
+       /* Function receive frames for a given device and VQ */
+       struct dpaa2_queue *dpaa2_q = (struct dpaa2_queue *)queue;
+       struct qbman_result *dq_storage;
+       uint32_t fqid = dpaa2_q->fqid;
+       int ret, num_rx = 0, next_pull = nb_pkts, num_pulled;
+       uint8_t pending, status;
+       struct qbman_swp *swp;
+       const struct qbman_fd *fd, *next_fd;
+       struct qbman_pull_desc pulldesc;
+       struct rte_eth_dev_data *eth_data = dpaa2_q->eth_data;
+
+       if (unlikely(!DPAA2_PER_LCORE_DPIO)) {
+               ret = dpaa2_affine_qbman_swp();
+               if (ret) {
+                       DPAA2_PMD_ERR("Failure in affining portal\n");
+                       return 0;
+               }
+       }
+       swp = DPAA2_PER_LCORE_PORTAL;
+
+       do {
+               dq_storage = dpaa2_q->q_storage->dq_storage[0];
+               qbman_pull_desc_clear(&pulldesc);
+               qbman_pull_desc_set_fq(&pulldesc, fqid);
+               qbman_pull_desc_set_storage(&pulldesc, dq_storage,
+                               (size_t)(DPAA2_VADDR_TO_IOVA(dq_storage)), 1);
+
+               if (next_pull > dpaa2_dqrr_size) {
+                       qbman_pull_desc_set_numframes(&pulldesc,
+                               dpaa2_dqrr_size);
+                       next_pull -= dpaa2_dqrr_size;
+               } else {
+                       qbman_pull_desc_set_numframes(&pulldesc, next_pull);
+                       next_pull = 0;
+               }
+
+               while (1) {
+                       if (qbman_swp_pull(swp, &pulldesc)) {
+                               DPAA2_PMD_DP_DEBUG(
+                                       "VDQ command is not issued.QBMAN is busy\n");
+                               /* Portal was busy, try again */
+                               continue;
+                       }
+                       break;
+               }
+
+               rte_prefetch0((void *)((size_t)(dq_storage + 1)));
+               /* Check if the previous issued command is completed. */
+               while (!qbman_check_command_complete(dq_storage))
+                       ;
+
+               num_pulled = 0;
+               pending = 1;
+               do {
+                       /* Loop until the dq_storage is updated with
+                        * new token by QBMAN
+                        */
+                       while (!qbman_check_new_result(dq_storage))
+                               ;
+                       rte_prefetch0((void *)((size_t)(dq_storage + 2)));
+                       /* Check whether Last Pull command is Expired and
+                        * setting Condition for Loop termination
+                        */
+                       if (qbman_result_DQ_is_pull_complete(dq_storage)) {
+                               pending = 0;
+                               /* Check for valid frame. */
+                               status = qbman_result_DQ_flags(dq_storage);
+                               if (unlikely((status &
+                                       QBMAN_DQ_STAT_VALIDFRAME) == 0))
+                                       continue;
+                       }
+                       fd = qbman_result_DQ_fd(dq_storage);
+
+                       next_fd = qbman_result_DQ_fd(dq_storage + 1);
+                       /* Prefetch Annotation address for the parse results */
+                       rte_prefetch0(
+                               (void *)(size_t)(DPAA2_GET_FD_ADDR(next_fd)
+                                       + DPAA2_FD_PTA_SIZE + 16));
+
+                       if (unlikely(DPAA2_FD_GET_FORMAT(fd) == qbman_fd_sg))
+                               bufs[num_rx] = eth_sg_fd_to_mbuf(fd,
+                                                       eth_data->port_id);
+                       else
+                               bufs[num_rx] = eth_fd_to_mbuf(fd,
+                                                       eth_data->port_id);
+
+               if (eth_data->dev_conf.rxmode.offloads &
+                               DEV_RX_OFFLOAD_VLAN_STRIP) {
+                       rte_vlan_strip(bufs[num_rx]);
+               }
+
+                       dq_storage++;
+                       num_rx++;
+                       num_pulled++;
+               } while (pending);
+       /* Last VDQ provided all packets and more packets are requested */
+       } while (next_pull && num_pulled == dpaa2_dqrr_size);
+
+       dpaa2_q->rx_pkts += num_rx;
+
+       return num_rx;
+}
+
+uint16_t dpaa2_dev_tx_conf(void *queue)
+{
+       /* Function receive frames for a given device and VQ */
+       struct dpaa2_queue *dpaa2_q = (struct dpaa2_queue *)queue;
+       struct qbman_result *dq_storage;
+       uint32_t fqid = dpaa2_q->fqid;
+       int ret, num_tx_conf = 0, num_pulled;
+       uint8_t pending, status;
+       struct qbman_swp *swp;
+       const struct qbman_fd *fd, *next_fd;
+       struct qbman_pull_desc pulldesc;
+       struct qbman_release_desc releasedesc;
+       uint32_t bpid;
+       uint64_t buf;
+#if defined(RTE_LIBRTE_IEEE1588)
+       struct rte_eth_dev_data *eth_data = dpaa2_q->eth_data;
+       struct dpaa2_dev_priv *priv = eth_data->dev_private;
+       struct dpaa2_annot_hdr *annotation;
+#endif
+
+       if (unlikely(!DPAA2_PER_LCORE_DPIO)) {
+               ret = dpaa2_affine_qbman_swp();
+               if (ret) {
+                       DPAA2_PMD_ERR("Failure in affining portal\n");
+                       return 0;
+               }
+       }
+       swp = DPAA2_PER_LCORE_PORTAL;
+
+       do {
+               dq_storage = dpaa2_q->q_storage->dq_storage[0];
+               qbman_pull_desc_clear(&pulldesc);
+               qbman_pull_desc_set_fq(&pulldesc, fqid);
+               qbman_pull_desc_set_storage(&pulldesc, dq_storage,
+                               (size_t)(DPAA2_VADDR_TO_IOVA(dq_storage)), 1);
+
+               qbman_pull_desc_set_numframes(&pulldesc, dpaa2_dqrr_size);
+
+               while (1) {
+                       if (qbman_swp_pull(swp, &pulldesc)) {
+                               DPAA2_PMD_DP_DEBUG("VDQ command is not issued."
+                                                  "QBMAN is busy\n");
+                               /* Portal was busy, try again */
+                               continue;
+                       }
+                       break;
+               }
+
+               rte_prefetch0((void *)((size_t)(dq_storage + 1)));
+               /* Check if the previous issued command is completed. */
+               while (!qbman_check_command_complete(dq_storage))
+                       ;
+
+               num_pulled = 0;
+               pending = 1;
+               do {
+                       /* Loop until the dq_storage is updated with
+                        * new token by QBMAN
+                        */
+                       while (!qbman_check_new_result(dq_storage))
+                               ;
+                       rte_prefetch0((void *)((size_t)(dq_storage + 2)));
+                       /* Check whether Last Pull command is Expired and
+                        * setting Condition for Loop termination
+                        */
+                       if (qbman_result_DQ_is_pull_complete(dq_storage)) {
+                               pending = 0;
+                               /* Check for valid frame. */
+                               status = qbman_result_DQ_flags(dq_storage);
+                               if (unlikely((status &
+                                       QBMAN_DQ_STAT_VALIDFRAME) == 0))
+                                       continue;
+                       }
+                       fd = qbman_result_DQ_fd(dq_storage);
+
+                       next_fd = qbman_result_DQ_fd(dq_storage + 1);
+                       /* Prefetch Annotation address for the parse results */
+                       rte_prefetch0((void *)(size_t)
+                               (DPAA2_GET_FD_ADDR(next_fd) +
+                                DPAA2_FD_PTA_SIZE + 16));
+
+                       bpid = DPAA2_GET_FD_BPID(fd);
+
+                       /* Create a release descriptor required for releasing
+                        * buffers into QBMAN
+                        */
+                       qbman_release_desc_clear(&releasedesc);
+                       qbman_release_desc_set_bpid(&releasedesc, bpid);
+
+                       buf = DPAA2_GET_FD_ADDR(fd);
+                       /* feed them to bman */
+                       do {
+                               ret = qbman_swp_release(swp, &releasedesc,
+                                                       &buf, 1);
+                       } while (ret == -EBUSY);
+
+                       dq_storage++;
+                       num_tx_conf++;
+                       num_pulled++;
+#if defined(RTE_LIBRTE_IEEE1588)
+                       annotation = (struct dpaa2_annot_hdr *)((size_t)
+                               DPAA2_IOVA_TO_VADDR(DPAA2_GET_FD_ADDR(fd)) +
+                               DPAA2_FD_PTA_SIZE);
+                       priv->tx_timestamp = annotation->word2;
+#endif
+               } while (pending);
+
+       /* Last VDQ provided all packets and more packets are requested */
+       } while (num_pulled == dpaa2_dqrr_size);
+
+       dpaa2_q->rx_pkts += num_tx_conf;
+
+       return num_tx_conf;
+}
+
+/* Configure the egress frame annotation for timestamp update */
+static void enable_tx_tstamp(struct qbman_fd *fd)
+{
+       struct dpaa2_faead *fd_faead;
+
+       /* Set frame annotation status field as valid */
+       (fd)->simple.frc |= DPAA2_FD_FRC_FASV;
+
+       /* Set frame annotation egress action descriptor as valid */
+       (fd)->simple.frc |= DPAA2_FD_FRC_FAEADV;
+
+       /* Set Annotation Length as 128B */
+       (fd)->simple.ctrl |= DPAA2_FD_CTRL_ASAL;
+
+       /* enable update of confirmation frame annotation */
+       fd_faead = (struct dpaa2_faead *)((size_t)
+                       DPAA2_IOVA_TO_VADDR(DPAA2_GET_FD_ADDR(fd)) +
+                       DPAA2_FD_PTA_SIZE + DPAA2_FD_HW_ANNOT_FAEAD_OFFSET);
+       fd_faead->ctrl = DPAA2_ANNOT_FAEAD_A2V | DPAA2_ANNOT_FAEAD_UPDV |
+                               DPAA2_ANNOT_FAEAD_UPD;
+}
+
 /*
  * Callback to handle sending packets through WRIOP based interface
  */
@@ -202,9 +993,10 @@ uint16_t
 dpaa2_dev_tx(void *queue, struct rte_mbuf **bufs, uint16_t nb_pkts)
 {
        /* Function to transmit the frames to given device and VQ*/
-       uint32_t loop;
+       uint32_t loop, retry_count;
        int32_t ret;
        struct qbman_fd fd_arr[MAX_TX_RING_SLOTS];
+       struct rte_mbuf *mi;
        uint32_t frames_to_send;
        struct rte_mempool *mp;
        struct qbman_eq_desc eqdesc;
@@ -212,49 +1004,622 @@ dpaa2_dev_tx(void *queue, struct rte_mbuf **bufs, uint16_t nb_pkts)
        struct qbman_swp *swp;
        uint16_t num_tx = 0;
        uint16_t bpid;
-       struct rte_eth_dev *dev = dpaa2_q->dev;
-       struct dpaa2_dev_priv *priv = dev->data->dev_private;
+       struct rte_eth_dev_data *eth_data = dpaa2_q->eth_data;
+       struct dpaa2_dev_priv *priv = eth_data->dev_private;
+       uint32_t flags[MAX_TX_RING_SLOTS] = {0};
 
        if (unlikely(!DPAA2_PER_LCORE_DPIO)) {
                ret = dpaa2_affine_qbman_swp();
                if (ret) {
-                       RTE_LOG(ERR, PMD, "Failure in affining portal\n");
+                       DPAA2_PMD_ERR("Failure in affining portal");
                        return 0;
                }
        }
        swp = DPAA2_PER_LCORE_PORTAL;
 
-       PMD_TX_LOG(DEBUG, "===> dev =%p, fqid =%d", dev, dpaa2_q->fqid);
+       DPAA2_PMD_DP_DEBUG("===> eth_data =%p, fqid =%d\n",
+                       eth_data, dpaa2_q->fqid);
+
+#ifdef RTE_LIBRTE_IEEE1588
+       /* IEEE1588 driver need pointer to tx confirmation queue
+        * corresponding to last packet transmitted for reading
+        * the timestamp
+        */
+       priv->next_tx_conf_queue = dpaa2_q->tx_conf_queue;
+       dpaa2_dev_tx_conf(dpaa2_q->tx_conf_queue);
+#endif
 
        /*Prepare enqueue descriptor*/
        qbman_eq_desc_clear(&eqdesc);
        qbman_eq_desc_set_no_orp(&eqdesc, DPAA2_EQ_RESP_ERR_FQ);
-       qbman_eq_desc_set_response(&eqdesc, 0, 0);
-       qbman_eq_desc_set_qd(&eqdesc, priv->qdid,
-                            dpaa2_q->flow_id, dpaa2_q->tc_index);
+       qbman_eq_desc_set_fq(&eqdesc, dpaa2_q->fqid);
 
        /*Clear the unused FD fields before sending*/
        while (nb_pkts) {
-               frames_to_send = (nb_pkts >> 3) ? MAX_TX_RING_SLOTS : nb_pkts;
+               /*Check if the queue is congested*/
+               retry_count = 0;
+               while (qbman_result_SCN_state(dpaa2_q->cscn)) {
+                       retry_count++;
+                       /* Retry for some time before giving up */
+                       if (retry_count > CONG_RETRY_COUNT)
+                               goto skip_tx;
+               }
+
+               frames_to_send = (nb_pkts > dpaa2_eqcr_size) ?
+                       dpaa2_eqcr_size : nb_pkts;
+
+               for (loop = 0; loop < frames_to_send; loop++) {
+                       if ((*bufs)->seqn) {
+                               uint8_t dqrr_index = (*bufs)->seqn - 1;
+
+                               flags[loop] = QBMAN_ENQUEUE_FLAG_DCA |
+                                               dqrr_index;
+                               DPAA2_PER_LCORE_DQRR_SIZE--;
+                               DPAA2_PER_LCORE_DQRR_HELD &= ~(1 << dqrr_index);
+                               (*bufs)->seqn = DPAA2_INVALID_MBUF_SEQN;
+                       }
+
+                       if (likely(RTE_MBUF_DIRECT(*bufs))) {
+                               mp = (*bufs)->pool;
+                               /* Check the basic scenario and set
+                                * the FD appropriately here itself.
+                                */
+                               if (likely(mp && mp->ops_index ==
+                                   priv->bp_list->dpaa2_ops_index &&
+                                   (*bufs)->nb_segs == 1 &&
+                                   rte_mbuf_refcnt_read((*bufs)) == 1)) {
+                                       if (unlikely(((*bufs)->ol_flags
+                                               & PKT_TX_VLAN_PKT) ||
+                                               (eth_data->dev_conf.txmode.offloads
+                                               & DEV_TX_OFFLOAD_VLAN_INSERT))) {
+                                               ret = rte_vlan_insert(bufs);
+                                               if (ret)
+                                                       goto send_n_return;
+                                       }
+                                       DPAA2_MBUF_TO_CONTIG_FD((*bufs),
+                                       &fd_arr[loop], mempool_to_bpid(mp));
+                                       bufs++;
+#ifdef RTE_LIBRTE_IEEE1588
+                                       enable_tx_tstamp(&fd_arr[loop]);
+#endif
+                                       continue;
+                               }
+                       } else {
+                               mi = rte_mbuf_from_indirect(*bufs);
+                               mp = mi->pool;
+                       }
+                       /* Not a hw_pkt pool allocated frame */
+                       if (unlikely(!mp || !priv->bp_list)) {
+                               DPAA2_PMD_ERR("Err: No buffer pool attached");
+                               goto send_n_return;
+                       }
+
+                       if (unlikely(((*bufs)->ol_flags & PKT_TX_VLAN_PKT) ||
+                               (eth_data->dev_conf.txmode.offloads
+                               & DEV_TX_OFFLOAD_VLAN_INSERT))) {
+                               int ret = rte_vlan_insert(bufs);
+                               if (ret)
+                                       goto send_n_return;
+                       }
+                       if (mp->ops_index != priv->bp_list->dpaa2_ops_index) {
+                               DPAA2_PMD_WARN("Non DPAA2 buffer pool");
+                               /* alloc should be from the default buffer pool
+                                * attached to this interface
+                                */
+                               bpid = priv->bp_list->buf_pool.bpid;
+
+                               if (unlikely((*bufs)->nb_segs > 1)) {
+                                       DPAA2_PMD_ERR("S/G support not added"
+                                               " for non hw offload buffer");
+                                       goto send_n_return;
+                               }
+                               if (eth_copy_mbuf_to_fd(*bufs,
+                                                       &fd_arr[loop], bpid)) {
+                                       goto send_n_return;
+                               }
+                               /* free the original packet */
+                               rte_pktmbuf_free(*bufs);
+                       } else {
+                               bpid = mempool_to_bpid(mp);
+                               if (unlikely((*bufs)->nb_segs > 1)) {
+                                       if (eth_mbuf_to_sg_fd(*bufs,
+                                                       &fd_arr[loop], bpid))
+                                               goto send_n_return;
+                               } else {
+                                       eth_mbuf_to_fd(*bufs,
+                                                      &fd_arr[loop], bpid);
+                               }
+                       }
+#ifdef RTE_LIBRTE_IEEE1588
+                       enable_tx_tstamp(&fd_arr[loop]);
+#endif
+                       bufs++;
+               }
+
+               loop = 0;
+               retry_count = 0;
+               while (loop < frames_to_send) {
+                       ret = qbman_swp_enqueue_multiple(swp, &eqdesc,
+                                       &fd_arr[loop], &flags[loop],
+                                       frames_to_send - loop);
+                       if (unlikely(ret < 0)) {
+                               retry_count++;
+                               if (retry_count > DPAA2_MAX_TX_RETRY_COUNT) {
+                                       num_tx += loop;
+                                       nb_pkts -= loop;
+                                       goto send_n_return;
+                               }
+                       } else {
+                               loop += ret;
+                               retry_count = 0;
+                       }
+               }
+
+               num_tx += loop;
+               nb_pkts -= loop;
+       }
+       dpaa2_q->tx_pkts += num_tx;
+       return num_tx;
+
+send_n_return:
+       /* send any already prepared fd */
+       if (loop) {
+               unsigned int i = 0;
+
+               retry_count = 0;
+               while (i < loop) {
+                       ret = qbman_swp_enqueue_multiple(swp, &eqdesc,
+                                                        &fd_arr[i],
+                                                        &flags[i],
+                                                        loop - i);
+                       if (unlikely(ret < 0)) {
+                               retry_count++;
+                               if (retry_count > DPAA2_MAX_TX_RETRY_COUNT)
+                                       break;
+                       } else {
+                               i += ret;
+                               retry_count = 0;
+                       }
+               }
+               num_tx += i;
+       }
+skip_tx:
+       dpaa2_q->tx_pkts += num_tx;
+       return num_tx;
+}
+
+void
+dpaa2_dev_free_eqresp_buf(uint16_t eqresp_ci)
+{
+       struct dpaa2_dpio_dev *dpio_dev = DPAA2_PER_LCORE_DPIO;
+       struct qbman_fd *fd;
+       struct rte_mbuf *m;
+
+       fd = qbman_result_eqresp_fd(&dpio_dev->eqresp[eqresp_ci]);
+
+       /* Setting port id does not matter as we are to free the mbuf */
+       m = eth_fd_to_mbuf(fd, 0);
+       rte_pktmbuf_free(m);
+}
+
+static void
+dpaa2_set_enqueue_descriptor(struct dpaa2_queue *dpaa2_q,
+                            struct rte_mbuf *m,
+                            struct qbman_eq_desc *eqdesc)
+{
+       struct rte_eth_dev_data *eth_data = dpaa2_q->eth_data;
+       struct dpaa2_dev_priv *priv = eth_data->dev_private;
+       struct dpaa2_dpio_dev *dpio_dev = DPAA2_PER_LCORE_DPIO;
+       struct eqresp_metadata *eqresp_meta;
+       uint16_t orpid, seqnum;
+       uint8_t dq_idx;
+
+       qbman_eq_desc_set_fq(eqdesc, dpaa2_q->fqid);
+
+       if (m->seqn & DPAA2_ENQUEUE_FLAG_ORP) {
+               orpid = (m->seqn & DPAA2_EQCR_OPRID_MASK) >>
+                       DPAA2_EQCR_OPRID_SHIFT;
+               seqnum = (m->seqn & DPAA2_EQCR_SEQNUM_MASK) >>
+                       DPAA2_EQCR_SEQNUM_SHIFT;
+
+               if (!priv->en_loose_ordered) {
+                       qbman_eq_desc_set_orp(eqdesc, 1, orpid, seqnum, 0);
+                       qbman_eq_desc_set_response(eqdesc, (uint64_t)
+                               DPAA2_VADDR_TO_IOVA(&dpio_dev->eqresp[
+                               dpio_dev->eqresp_pi]), 1);
+                       qbman_eq_desc_set_token(eqdesc, 1);
+
+                       eqresp_meta = &dpio_dev->eqresp_meta[
+                               dpio_dev->eqresp_pi];
+                       eqresp_meta->dpaa2_q = dpaa2_q;
+                       eqresp_meta->mp = m->pool;
+
+                       dpio_dev->eqresp_pi + 1 < MAX_EQ_RESP_ENTRIES ?
+                               dpio_dev->eqresp_pi++ :
+                               (dpio_dev->eqresp_pi = 0);
+               } else {
+                       qbman_eq_desc_set_orp(eqdesc, 0, orpid, seqnum, 0);
+               }
+       } else {
+               dq_idx = m->seqn - 1;
+               qbman_eq_desc_set_dca(eqdesc, 1, dq_idx, 0);
+               DPAA2_PER_LCORE_DQRR_SIZE--;
+               DPAA2_PER_LCORE_DQRR_HELD &= ~(1 << dq_idx);
+       }
+       m->seqn = DPAA2_INVALID_MBUF_SEQN;
+}
+
+/* Callback to handle sending ordered packets through WRIOP based interface */
+uint16_t
+dpaa2_dev_tx_ordered(void *queue, struct rte_mbuf **bufs, uint16_t nb_pkts)
+{
+       /* Function to transmit the frames to given device and VQ*/
+       struct dpaa2_queue *dpaa2_q = (struct dpaa2_queue *)queue;
+       struct rte_eth_dev_data *eth_data = dpaa2_q->eth_data;
+       struct dpaa2_dev_priv *priv = eth_data->dev_private;
+       struct dpaa2_queue *order_sendq = (struct dpaa2_queue *)priv->tx_vq[0];
+       struct qbman_fd fd_arr[MAX_TX_RING_SLOTS];
+       struct rte_mbuf *mi;
+       struct rte_mempool *mp;
+       struct qbman_eq_desc eqdesc[MAX_TX_RING_SLOTS];
+       struct qbman_swp *swp;
+       uint32_t frames_to_send, num_free_eq_desc;
+       uint32_t loop, retry_count;
+       int32_t ret;
+       uint16_t num_tx = 0;
+       uint16_t bpid;
+
+       if (unlikely(!DPAA2_PER_LCORE_DPIO)) {
+               ret = dpaa2_affine_qbman_swp();
+               if (ret) {
+                       DPAA2_PMD_ERR("Failure in affining portal");
+                       return 0;
+               }
+       }
+       swp = DPAA2_PER_LCORE_PORTAL;
+
+       DPAA2_PMD_DP_DEBUG("===> eth_data =%p, fqid =%d\n",
+                          eth_data, dpaa2_q->fqid);
+
+       /* This would also handle normal and atomic queues as any type
+        * of packet can be enqueued when ordered queues are being used.
+        */
+       while (nb_pkts) {
+               /*Check if the queue is congested*/
+               retry_count = 0;
+               while (qbman_result_SCN_state(dpaa2_q->cscn)) {
+                       retry_count++;
+                       /* Retry for some time before giving up */
+                       if (retry_count > CONG_RETRY_COUNT)
+                               goto skip_tx;
+               }
+
+               frames_to_send = (nb_pkts > dpaa2_eqcr_size) ?
+                       dpaa2_eqcr_size : nb_pkts;
+
+               if (!priv->en_loose_ordered) {
+                       if ((*bufs)->seqn & DPAA2_ENQUEUE_FLAG_ORP) {
+                               num_free_eq_desc = dpaa2_free_eq_descriptors();
+                               if (num_free_eq_desc < frames_to_send)
+                                       frames_to_send = num_free_eq_desc;
+                       }
+               }
 
                for (loop = 0; loop < frames_to_send; loop++) {
-                       fd_arr[loop].simple.frc = 0;
-                       DPAA2_RESET_FD_CTRL((&fd_arr[loop]));
-                       DPAA2_SET_FD_FLC((&fd_arr[loop]), NULL);
-                       mp = (*bufs)->pool;
-                       bpid = mempool_to_bpid(mp);
-                       eth_mbuf_to_fd(*bufs, &fd_arr[loop], bpid);
+                       /*Prepare enqueue descriptor*/
+                       qbman_eq_desc_clear(&eqdesc[loop]);
+
+                       if ((*bufs)->seqn) {
+                               /* Use only queue 0 for Tx in case of atomic/
+                                * ordered packets as packets can get unordered
+                                * when being tranmitted out from the interface
+                                */
+                               dpaa2_set_enqueue_descriptor(order_sendq,
+                                                            (*bufs),
+                                                            &eqdesc[loop]);
+                       } else {
+                               qbman_eq_desc_set_no_orp(&eqdesc[loop],
+                                                        DPAA2_EQ_RESP_ERR_FQ);
+                               qbman_eq_desc_set_fq(&eqdesc[loop],
+                                                    dpaa2_q->fqid);
+                       }
+
+                       if (likely(RTE_MBUF_DIRECT(*bufs))) {
+                               mp = (*bufs)->pool;
+                               /* Check the basic scenario and set
+                                * the FD appropriately here itself.
+                                */
+                               if (likely(mp && mp->ops_index ==
+                                   priv->bp_list->dpaa2_ops_index &&
+                                   (*bufs)->nb_segs == 1 &&
+                                   rte_mbuf_refcnt_read((*bufs)) == 1)) {
+                                       if (unlikely((*bufs)->ol_flags
+                                               & PKT_TX_VLAN_PKT)) {
+                                         ret = rte_vlan_insert(bufs);
+                                         if (ret)
+                                               goto send_n_return;
+                                       }
+                                       DPAA2_MBUF_TO_CONTIG_FD((*bufs),
+                                               &fd_arr[loop],
+                                               mempool_to_bpid(mp));
+                                       bufs++;
+                                       continue;
+                               }
+                       } else {
+                               mi = rte_mbuf_from_indirect(*bufs);
+                               mp = mi->pool;
+                       }
+                       /* Not a hw_pkt pool allocated frame */
+                       if (unlikely(!mp || !priv->bp_list)) {
+                               DPAA2_PMD_ERR("Err: No buffer pool attached");
+                               goto send_n_return;
+                       }
+
+                       if (mp->ops_index != priv->bp_list->dpaa2_ops_index) {
+                               DPAA2_PMD_WARN("Non DPAA2 buffer pool");
+                               /* alloc should be from the default buffer pool
+                                * attached to this interface
+                                */
+                               bpid = priv->bp_list->buf_pool.bpid;
+
+                               if (unlikely((*bufs)->nb_segs > 1)) {
+                                       DPAA2_PMD_ERR(
+                                               "S/G not supp for non hw offload buffer");
+                                       goto send_n_return;
+                               }
+                               if (eth_copy_mbuf_to_fd(*bufs,
+                                                       &fd_arr[loop], bpid)) {
+                                       goto send_n_return;
+                               }
+                               /* free the original packet */
+                               rte_pktmbuf_free(*bufs);
+                       } else {
+                               bpid = mempool_to_bpid(mp);
+                               if (unlikely((*bufs)->nb_segs > 1)) {
+                                       if (eth_mbuf_to_sg_fd(*bufs,
+                                                             &fd_arr[loop],
+                                                             bpid))
+                                               goto send_n_return;
+                               } else {
+                                       eth_mbuf_to_fd(*bufs,
+                                                      &fd_arr[loop], bpid);
+                               }
+                       }
                        bufs++;
                }
+
                loop = 0;
+               retry_count = 0;
                while (loop < frames_to_send) {
-                       loop += qbman_swp_send_multiple(swp, &eqdesc,
-                                       &fd_arr[loop], frames_to_send - loop);
+                       ret = qbman_swp_enqueue_multiple_desc(swp,
+                                       &eqdesc[loop], &fd_arr[loop],
+                                       frames_to_send - loop);
+                       if (unlikely(ret < 0)) {
+                               retry_count++;
+                               if (retry_count > DPAA2_MAX_TX_RETRY_COUNT) {
+                                       num_tx += loop;
+                                       nb_pkts -= loop;
+                                       goto send_n_return;
+                               }
+                       } else {
+                               loop += ret;
+                               retry_count = 0;
+                       }
                }
 
-               num_tx += frames_to_send;
-               dpaa2_q->tx_pkts += frames_to_send;
-               nb_pkts -= frames_to_send;
+               num_tx += loop;
+               nb_pkts -= loop;
+       }
+       dpaa2_q->tx_pkts += num_tx;
+       return num_tx;
+
+send_n_return:
+       /* send any already prepared fd */
+       if (loop) {
+               unsigned int i = 0;
+
+               retry_count = 0;
+               while (i < loop) {
+                       ret = qbman_swp_enqueue_multiple_desc(swp,
+                                      &eqdesc[loop], &fd_arr[i], loop - i);
+                       if (unlikely(ret < 0)) {
+                               retry_count++;
+                               if (retry_count > DPAA2_MAX_TX_RETRY_COUNT)
+                                       break;
+                       } else {
+                               i += ret;
+                               retry_count = 0;
+                       }
+               }
+               num_tx += i;
        }
+skip_tx:
+       dpaa2_q->tx_pkts += num_tx;
        return num_tx;
 }
+
+/**
+ * Dummy DPDK callback for TX.
+ *
+ * This function is used to temporarily replace the real callback during
+ * unsafe control operations on the queue, or in case of error.
+ *
+ * @param dpdk_txq
+ *   Generic pointer to TX queue structure.
+ * @param[in] pkts
+ *   Packets to transmit.
+ * @param pkts_n
+ *   Number of packets in array.
+ *
+ * @return
+ *   Number of packets successfully transmitted (<= pkts_n).
+ */
+uint16_t
+dummy_dev_tx(void *queue, struct rte_mbuf **bufs, uint16_t nb_pkts)
+{
+       (void)queue;
+       (void)bufs;
+       (void)nb_pkts;
+       return 0;
+}
+
+#if defined(RTE_TOOLCHAIN_GCC)
+#pragma GCC diagnostic push
+#pragma GCC diagnostic ignored "-Wcast-qual"
+#elif defined(RTE_TOOLCHAIN_CLANG)
+#pragma clang diagnostic push
+#pragma clang diagnostic ignored "-Wcast-qual"
+#endif
+
+/* This function loopbacks all the received packets.*/
+uint16_t
+dpaa2_dev_loopback_rx(void *queue,
+                     struct rte_mbuf **bufs __rte_unused,
+                     uint16_t nb_pkts)
+{
+       /* Function receive frames for a given device and VQ*/
+       struct dpaa2_queue *dpaa2_q = (struct dpaa2_queue *)queue;
+       struct qbman_result *dq_storage, *dq_storage1 = NULL;
+       uint32_t fqid = dpaa2_q->fqid;
+       int ret, num_rx = 0, num_tx = 0, pull_size;
+       uint8_t pending, status;
+       struct qbman_swp *swp;
+       struct qbman_fd *fd[DPAA2_LX2_DQRR_RING_SIZE];
+       struct qbman_pull_desc pulldesc;
+       struct qbman_eq_desc eqdesc;
+       struct queue_storage_info_t *q_storage = dpaa2_q->q_storage;
+       struct rte_eth_dev_data *eth_data = dpaa2_q->eth_data;
+       struct dpaa2_dev_priv *priv = eth_data->dev_private;
+       struct dpaa2_queue *tx_q = priv->tx_vq[0];
+       /* todo - currently we are using 1st TX queue only for loopback*/
+
+       if (unlikely(!DPAA2_PER_LCORE_ETHRX_DPIO)) {
+               ret = dpaa2_affine_qbman_ethrx_swp();
+               if (ret) {
+                       DPAA2_PMD_ERR("Failure in affining portal");
+                       return 0;
+               }
+       }
+       swp = DPAA2_PER_LCORE_ETHRX_PORTAL;
+       pull_size = (nb_pkts > dpaa2_dqrr_size) ? dpaa2_dqrr_size : nb_pkts;
+       if (unlikely(!q_storage->active_dqs)) {
+               q_storage->toggle = 0;
+               dq_storage = q_storage->dq_storage[q_storage->toggle];
+               q_storage->last_num_pkts = pull_size;
+               qbman_pull_desc_clear(&pulldesc);
+               qbman_pull_desc_set_numframes(&pulldesc,
+                                             q_storage->last_num_pkts);
+               qbman_pull_desc_set_fq(&pulldesc, fqid);
+               qbman_pull_desc_set_storage(&pulldesc, dq_storage,
+                       (size_t)(DPAA2_VADDR_TO_IOVA(dq_storage)), 1);
+               if (check_swp_active_dqs(DPAA2_PER_LCORE_ETHRX_DPIO->index)) {
+                       while (!qbman_check_command_complete(
+                              get_swp_active_dqs(
+                              DPAA2_PER_LCORE_ETHRX_DPIO->index)))
+                               ;
+                       clear_swp_active_dqs(DPAA2_PER_LCORE_ETHRX_DPIO->index);
+               }
+               while (1) {
+                       if (qbman_swp_pull(swp, &pulldesc)) {
+                               DPAA2_PMD_DP_DEBUG(
+                                       "VDQ command not issued.QBMAN busy\n");
+                               /* Portal was busy, try again */
+                               continue;
+                       }
+                       break;
+               }
+               q_storage->active_dqs = dq_storage;
+               q_storage->active_dpio_id = DPAA2_PER_LCORE_ETHRX_DPIO->index;
+               set_swp_active_dqs(DPAA2_PER_LCORE_ETHRX_DPIO->index,
+                                  dq_storage);
+       }
+
+       dq_storage = q_storage->active_dqs;
+       rte_prefetch0((void *)(size_t)(dq_storage));
+       rte_prefetch0((void *)(size_t)(dq_storage + 1));
+
+       /* Prepare next pull descriptor. This will give space for the
+        * prefething done on DQRR entries
+        */
+       q_storage->toggle ^= 1;
+       dq_storage1 = q_storage->dq_storage[q_storage->toggle];
+       qbman_pull_desc_clear(&pulldesc);
+       qbman_pull_desc_set_numframes(&pulldesc, pull_size);
+       qbman_pull_desc_set_fq(&pulldesc, fqid);
+       qbman_pull_desc_set_storage(&pulldesc, dq_storage1,
+               (size_t)(DPAA2_VADDR_TO_IOVA(dq_storage1)), 1);
+
+       /*Prepare enqueue descriptor*/
+       qbman_eq_desc_clear(&eqdesc);
+       qbman_eq_desc_set_no_orp(&eqdesc, DPAA2_EQ_RESP_ERR_FQ);
+       qbman_eq_desc_set_response(&eqdesc, 0, 0);
+       qbman_eq_desc_set_fq(&eqdesc, tx_q->fqid);
+
+       /* Check if the previous issued command is completed.
+        * Also seems like the SWP is shared between the Ethernet Driver
+        * and the SEC driver.
+        */
+       while (!qbman_check_command_complete(dq_storage))
+               ;
+       if (dq_storage == get_swp_active_dqs(q_storage->active_dpio_id))
+               clear_swp_active_dqs(q_storage->active_dpio_id);
+
+       pending = 1;
+
+       do {
+               /* Loop until the dq_storage is updated with
+                * new token by QBMAN
+                */
+               while (!qbman_check_new_result(dq_storage))
+                       ;
+               rte_prefetch0((void *)((size_t)(dq_storage + 2)));
+               /* Check whether Last Pull command is Expired and
+                * setting Condition for Loop termination
+                */
+               if (qbman_result_DQ_is_pull_complete(dq_storage)) {
+                       pending = 0;
+                       /* Check for valid frame. */
+                       status = qbman_result_DQ_flags(dq_storage);
+                       if (unlikely((status & QBMAN_DQ_STAT_VALIDFRAME) == 0))
+                               continue;
+               }
+               fd[num_rx] = (struct qbman_fd *)qbman_result_DQ_fd(dq_storage);
+
+               dq_storage++;
+               num_rx++;
+       } while (pending);
+
+       while (num_tx < num_rx) {
+               num_tx += qbman_swp_enqueue_multiple_fd(swp, &eqdesc,
+                               &fd[num_tx], 0, num_rx - num_tx);
+       }
+
+       if (check_swp_active_dqs(DPAA2_PER_LCORE_ETHRX_DPIO->index)) {
+               while (!qbman_check_command_complete(
+                      get_swp_active_dqs(DPAA2_PER_LCORE_ETHRX_DPIO->index)))
+                       ;
+               clear_swp_active_dqs(DPAA2_PER_LCORE_ETHRX_DPIO->index);
+       }
+       /* issue a volatile dequeue command for next pull */
+       while (1) {
+               if (qbman_swp_pull(swp, &pulldesc)) {
+                       DPAA2_PMD_DP_DEBUG("VDQ command is not issued."
+                                         "QBMAN is busy (2)\n");
+                       continue;
+               }
+               break;
+       }
+       q_storage->active_dqs = dq_storage1;
+       q_storage->active_dpio_id = DPAA2_PER_LCORE_ETHRX_DPIO->index;
+       set_swp_active_dqs(DPAA2_PER_LCORE_ETHRX_DPIO->index, dq_storage1);
+
+       dpaa2_q->rx_pkts += num_rx;
+       dpaa2_q->tx_pkts += num_tx;
+
+       return 0;
+}
+#if defined(RTE_TOOLCHAIN_GCC)
+#pragma GCC diagnostic pop
+#elif defined(RTE_TOOLCHAIN_CLANG)
+#pragma clang diagnostic pop
+#endif